
Adafruit

Adafruit Motor/Stepper/Servo Shield for Arduino v2.3 Kit
$19.90
This kit has TB6612 MOSFET drivers with 1.2A per channel current capability (you can draw up to 3A peak for approx 20ms at a time). It also has much lower voltage drops across the motor so you get more torque out of your batteries, and there are built-in flyback diodes as well. Instead of using a latch and the Arduino's PWM pins, this kit has a ...
Adafruit Assembled Data Logging Shield for Arduino

Adafruit Assembled Data Logging Shield for Arduino
$13.90
A well designed data logging shield for Arduino. This shield is "R3" compatible so you can use it with just about any Arduino or compatible. You can be up and running with it in less than 15 minutes - saving data to files on any FAT16 or FAT32 formatted SD card, to be read by any plotting, spreadsheet or analysis program. SD card interface wor...
Adafruit Wave Shield for Arduino Kit - v1.1

Adafruit Wave Shield for Arduino Kit - v1.1
$21.95
Adding quality audio to an electronic project is surprisingly difficult. Here is a shield for Arduinos that solves this problem. It can play up to 22KHz 12bit uncompressed audio files of any length. It has an onboard DAC, filter and op-amp for high quality output. Audio files are read off of an SD/MMC card, which are available at nearly any stor...

Adafruit 16-Channel 12-bit PWM/Servo Shield - I2C interface
$17.45
This handy PWM and Servo driver shield will allow you to easily create multiple moving parts in your next project. It's just like the popular PWM/Servo Breakout but now Arduino-ready and works with any Arduino that uses shields: Uno, Leo, Mega, or ADK. This chip will allow you to control 16 free-running PWM outputs using only two I2C pin. As wel...

Adafruit "Music Maker" MP3 Shield for Arduino w/3W Stereo Amp
$34.90
Bend all audio files to your will with the Adafruit Music Maker shield for Arduino. This powerful shield features the VS1053, an encoding/decoding (codec) chip that can decode a wide variety of audio formats such as MP3, AAC, Ogg Vorbis, WMA, MIDI, FLAC, WAV (PCM and ADPCM). It can also be used to record audio in both PCM (WAV) and compressed Og...

Adafruit Proto Shield for Arduino Kit - Stackable Version R3
$9.90
This is one of the best prototyping shields out there, and now is even better with Version R3 - updated for the most compatibility with just about all the Arduinos. It works with UNO, Mega, Leonardo, NG, Diecimila, Duemilanove, and compatible Arduinos. Yun's and Arduino Ethernets have a chunky Ethernet jack that gets in the way of stacking, you ...

Adafruit Ultimate GPS Logger Shield - Includes GPS Module
$44.90
Brand new and better than ever, we've replaced our Adafruit GPS shield kit with this assembled shield that comes with an Ultimate GPS module. This GPS shield works great with either UNO or Leonardo Arduinos and is designed to log data to an SD card. Or you can leave the SD card out and use the GPS for a geocaching project, or maybe a music playe...

Adafruit I2C Controlled + Keypad Shield Kit for 16x2 LCD
$14.90
This new Adafruit shield makes it easy to use a 16x2 Character LCD. This shield lets you control a 16x2 Character LCD, up to 3 backlight pins AND 5 keypad pins using only the two I2C pins on the Arduino. The best part is you don't really lose those two pins either, since you can stick i2c-based sensors, RTCs, etc and have them share the I2C bus....